feat: Vendor pezkuwi-subxt and pezkuwi-zombienet-sdk into monorepo

- Add pezkuwi-subxt crates to vendor/pezkuwi-subxt
- Add pezkuwi-zombienet-sdk crates to vendor/pezkuwi-zombienet-sdk
- Convert git dependencies to path dependencies
- Add vendor crates to workspace members
- Remove test/example crates from vendor (not needed for SDK)
- Fix feature propagation issues detected by zepter
- Fix workspace inheritance for internal dependencies
- All 606 crates now in workspace
- All 6919 internal dependency links verified correct
- No git dependencies remaining

umbrella/Cargo.toml

@@ -685,6 +685,7 @@ try-runtime = [
 	"pezpallet-xcm?/try-runtime",
 	"pezstaging-teyrchain-info?/try-runtime",
 	"teyrchains-common?/try-runtime",
+	"pezsp-runtime?/try-runtime"
 ]
 serde = [
 	"bp-pezkuwi-core?/serde",
@@ -723,6 +724,7 @@ serde = [
 	"pezsp-storage?/serde",
 	"pezsp-version?/serde",
 	"pezsp-weights?/serde",
+	"pezsp-runtime?/serde"
 ]
 experimental = [
 	"pezframe-support-procedural?/experimental",